Solved

The Initial Decay Rate of a Nuclide Is 1

Question 84

Multiple Choice

The initial decay rate of a nuclide is 1.77 × 10¹²/m.After 7.63 d,the decay rate is 1.82 × 10¹¹/m.What is the half-life of the isotope?

A) 139 d
B) 0.298 d
C) 0.207 d
D) 2.32 d
E) 2.50 d

Related Questions

Q79: Which of the following elements would be

Q80: In the following process,what is the missing

Q81: The charcoal from ashes found in a

Q82: Strontium-90 is a byproduct in nuclear reactors

Q83: The nuclear binding energy is the energy

Q85: What percentage of a radioactive substance remains

Q86: The half-life of <sup>238</sup>U,which decomposes to <sup>206</sup>Pb,is

Q87: The following nuclear reaction is known to

Q88: There have been two ways of making

Q89: In the following process,what is the missing